mirror of
https://git.code.sf.net/p/quake/newtree
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445 lines
8.5 KiB
C
445 lines
8.5 KiB
C
/*
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cd_linux.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <fcntl.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#include <linux/cdrom.h>
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#include <time.h>
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#include "cdaudio.h"
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#include "cmd.h"
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#include "console.h"
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#include "cvar.h"
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#include "qargs.h"
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#include "sound.h"
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static qboolean cdValid = false;
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static qboolean playing = false;
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static qboolean wasPlaying = false;
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static qboolean initialized = false;
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static qboolean enabled = true;
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static qboolean playLooping = false;
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static float cdvolume;
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static byte remap[100];
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static byte playTrack;
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static byte maxTrack;
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static int cdfile = -1;
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static char cd_dev[64] = "/dev/cdrom";
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static void
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CDAudio_Eject (void)
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{
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if (cdfile == -1 || !enabled)
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return; // no cd init'd
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if (ioctl (cdfile, CDROMEJECT) == -1)
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Con_DPrintf ("CDAudio: ioctl cdromeject failed\n");
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}
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static void
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CDAudio_CloseDoor (void)
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{
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if (cdfile == -1 || !enabled)
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return; // no cd init'd
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if (ioctl (cdfile, CDROMCLOSETRAY) == -1)
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Con_DPrintf ("CDAudio: ioctl cdromclosetray failed\n");
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}
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static int
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CDAudio_GetAudioDiskInfo (void)
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{
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struct cdrom_tochdr tochdr;
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cdValid = false;
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if (ioctl (cdfile, CDROMREADTOCHDR, &tochdr) == -1) {
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Con_DPrintf ("CDAudio: ioctl cdromreadtochdr failed\n");
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return -1;
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}
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if (tochdr.cdth_trk0 < 1) {
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Con_DPrintf ("CDAudio: no music tracks\n");
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return -1;
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}
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cdValid = true;
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maxTrack = tochdr.cdth_trk1;
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return 0;
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}
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void
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CDAudio_Play (byte track, qboolean looping)
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{
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struct cdrom_tocentry entry0;
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struct cdrom_tocentry entry1;
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struct cdrom_msf msf;
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if (cdfile == -1 || !enabled)
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return;
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if (!cdValid) {
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CDAudio_GetAudioDiskInfo ();
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if (!cdValid)
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return;
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}
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track = remap[track];
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if (track < 1 || track > maxTrack) {
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Con_DPrintf ("CDAudio: Bad track number %u.\n", track);
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return;
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}
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// don't try to play a non-audio track
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entry0.cdte_track = track;
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entry0.cdte_format = CDROM_MSF;
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if (ioctl (cdfile, CDROMREADTOCENTRY, &entry0) == -1) {
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Con_DPrintf ("CDAudio: ioctl cdromreadtocentry failed\n");
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return;
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}
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entry1.cdte_track = track + 1;
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entry1.cdte_format = CDROM_MSF;
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if (entry1.cdte_track > maxTrack) {
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entry1.cdte_track = CDROM_LEADOUT;
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}
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if (ioctl (cdfile, CDROMREADTOCENTRY, &entry1) == -1) {
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Con_DPrintf ("CDAudio: ioctl cdromreadtocentry failed\n");
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return;
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}
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if (entry0.cdte_ctrl == CDROM_DATA_TRACK) {
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Con_Printf ("track %i is not audio\n", track);
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return;
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}
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if (playing) {
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if (playTrack == track)
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return;
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CDAudio_Stop ();
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}
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msf.cdmsf_min0 = entry0.cdte_addr.msf.minute;
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msf.cdmsf_sec0 = entry0.cdte_addr.msf.second;
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msf.cdmsf_frame0 = entry0.cdte_addr.msf.frame;
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msf.cdmsf_min1 = entry1.cdte_addr.msf.minute;
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msf.cdmsf_sec1 = entry1.cdte_addr.msf.second;
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msf.cdmsf_frame1 = entry1.cdte_addr.msf.frame;
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Con_DPrintf ("%2d:%02d:%02d %2d:%02d:%02d\n",
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msf.cdmsf_min0,
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msf.cdmsf_sec0,
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msf.cdmsf_frame0,
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msf.cdmsf_min1, msf.cdmsf_sec1, msf.cdmsf_frame1);
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if (ioctl (cdfile, CDROMPLAYMSF, &msf) == -1) {
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Con_DPrintf ("CDAudio: ioctl cdromplaytrkind failed (%s)\n",
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strerror (errno));
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return;
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}
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// if ( ioctl(cdfile, CDROMRESUME) == -1 )
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// Con_DPrintf("CDAudio: ioctl cdromresume failed\n");
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playLooping = looping;
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playTrack = track;
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playing = true;
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if (cdvolume == 0.0)
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CDAudio_Pause ();
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}
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void
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CDAudio_Stop (void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if (ioctl (cdfile, CDROMSTOP) == -1)
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Con_DPrintf ("CDAudio: ioctl cdromstop failed (%d)\n", errno);
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wasPlaying = false;
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playing = false;
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}
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void
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CDAudio_Pause (void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!playing)
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return;
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if (ioctl (cdfile, CDROMPAUSE) == -1)
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Con_DPrintf ("CDAudio: ioctl cdrompause failed\n");
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wasPlaying = playing;
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playing = false;
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}
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void
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CDAudio_Resume (void)
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{
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if (cdfile == -1 || !enabled)
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return;
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if (!cdValid)
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return;
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if (!wasPlaying)
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return;
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if (ioctl (cdfile, CDROMRESUME) == -1)
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Con_DPrintf ("CDAudio: ioctl cdromresume failed\n");
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playing = true;
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}
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static void
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CD_f (void)
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{
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char *command;
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int ret;
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int n;
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if (Cmd_Argc () < 2)
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return;
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command = Cmd_Argv (1);
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if (strcasecmp (command, "on") == 0) {
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enabled = true;
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return;
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}
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if (strcasecmp (command, "off") == 0) {
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if (playing)
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CDAudio_Stop ();
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enabled = false;
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return;
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}
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if (strcasecmp (command, "reset") == 0) {
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enabled = true;
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if (playing)
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CDAudio_Stop ();
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for (n = 0; n < 100; n++)
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remap[n] = n;
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CDAudio_GetAudioDiskInfo ();
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return;
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}
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if (strcasecmp (command, "remap") == 0) {
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ret = Cmd_Argc () - 2;
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if (ret <= 0) {
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for (n = 1; n < 100; n++)
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if (remap[n] != n)
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Con_Printf (" %u -> %u\n", n, remap[n]);
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return;
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}
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for (n = 1; n <= ret; n++)
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remap[n] = atoi (Cmd_Argv (n + 1));
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return;
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}
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if (strcasecmp (command, "close") == 0) {
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CDAudio_CloseDoor ();
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return;
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}
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if (!cdValid) {
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CDAudio_GetAudioDiskInfo ();
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if (!cdValid) {
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Con_Printf ("No CD in player.\n");
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return;
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}
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}
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if (strcasecmp (command, "play") == 0) {
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CDAudio_Play ((byte) atoi (Cmd_Argv (2)), false);
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return;
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}
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if (strcasecmp (command, "loop") == 0) {
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CDAudio_Play ((byte) atoi (Cmd_Argv (2)), true);
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return;
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}
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if (strcasecmp (command, "stop") == 0) {
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CDAudio_Stop ();
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return;
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}
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if (strcasecmp (command, "pause") == 0) {
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CDAudio_Pause ();
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return;
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}
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if (strcasecmp (command, "resume") == 0) {
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CDAudio_Resume ();
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return;
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}
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if (strcasecmp (command, "eject") == 0) {
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if (playing)
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CDAudio_Stop ();
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CDAudio_Eject ();
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cdValid = false;
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return;
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}
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if (strcasecmp (command, "info") == 0) {
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Con_Printf ("%u tracks\n", maxTrack);
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if (playing)
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Con_Printf ("Currently %s track %u\n",
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playLooping ? "looping" : "playing", playTrack);
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else if (wasPlaying)
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Con_Printf ("Paused %s track %u\n",
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playLooping ? "looping" : "playing", playTrack);
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Con_Printf ("Volume is %g\n", cdvolume);
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return;
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}
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}
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void
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CDAudio_Update (void)
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{
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struct cdrom_subchnl subchnl;
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static time_t lastchk;
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if (!enabled)
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return;
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if (bgmvolume->value != cdvolume) {
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if (cdvolume) {
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Cvar_SetValue (bgmvolume, 0.0);
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cdvolume = bgmvolume->value;
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CDAudio_Pause ();
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} else {
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Cvar_SetValue (bgmvolume, 1.0);
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cdvolume = bgmvolume->value;
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CDAudio_Resume ();
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}
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}
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if (playing && lastchk < time (NULL)) {
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lastchk = time (NULL) + 2; // two seconds between chks
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subchnl.cdsc_format = CDROM_MSF;
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if (ioctl (cdfile, CDROMSUBCHNL, &subchnl) == -1) {
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Con_DPrintf ("CDAudio: ioctl cdromsubchnl failed\n");
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playing = false;
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return;
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}
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if (subchnl.cdsc_audiostatus != CDROM_AUDIO_PLAY &&
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subchnl.cdsc_audiostatus != CDROM_AUDIO_PAUSED) {
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playing = false;
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if (playLooping)
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CDAudio_Play (playTrack, true);
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}
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}
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}
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int
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CDAudio_Init (void)
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{
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int i;
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#if 0
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if (cls.state == ca_dedicated)
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return -1;
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#endif
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if (COM_CheckParm ("-nocdaudio"))
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return -1;
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if ((i = COM_CheckParm ("-cddev")) != 0 && i < com_argc - 1) {
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strncpy (cd_dev, com_argv[i + 1], sizeof (cd_dev));
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cd_dev[sizeof (cd_dev) - 1] = 0;
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}
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if ((cdfile = open (cd_dev, O_RDONLY | O_NONBLOCK)) == -1) {
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Con_Printf ("CDAudio_Init: open of \"%s\" failed (%i)\n", cd_dev,
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errno);
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cdfile = -1;
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return -1;
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}
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for (i = 0; i < 100; i++)
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remap[i] = i;
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initialized = true;
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enabled = true;
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if (CDAudio_GetAudioDiskInfo ()) {
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Con_Printf ("CDAudio_Init: No CD in player.\n");
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cdValid = false;
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}
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Cmd_AddCommand ("cd", CD_f, "No Description");
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Con_Printf ("CD Audio Initialized\n");
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return 0;
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}
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void
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CDAudio_Shutdown (void)
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{
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if (!initialized)
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return;
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CDAudio_Stop ();
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close (cdfile);
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cdfile = -1;
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}
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